CN102209966A - Personnel location and monitoring system and method for enclosed facilities - Google Patents
Personnel location and monitoring system and method for enclosed facilities Download PDFInfo
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- CN102209966A CN102209966A CN2009801451176A CN200980145117A CN102209966A CN 102209966 A CN102209966 A CN 102209966A CN 2009801451176 A CN2009801451176 A CN 2009801451176A CN 200980145117 A CN200980145117 A CN 200980145117A CN 102209966 A CN102209966 A CN 102209966A
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- Prior art keywords
- hands
- signal
- badge
- label
- washing
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/16—Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electrical and acoustic signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/01—Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption
- G01S5/013—Identifying areas in a building
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
- G08B21/245—Reminder of hygiene compliance policies, e.g. of washing hands
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/20—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
Abstract
A wireless time-of-flight distance measurement device and/or a motion detector is used at each of a plurality of stations in a wireless network in an enclosed facility to accurately locate a badge-wearing person near the station. The location, badge number and time of detection are transmitted through the network and stored in a computer memory. In a healthcare facility, hand washing detectors are located at some of the stations and caused to energize a hand wash status indicator light on the badge when the wearer has washed his or her hands. The light remains ''on'' for only a certain length of time, but will be extinguished sooner by a monitor device near each patient when the healthcare worker leaves the vicinity of the patient. These events also are transmitted and stored so that a timed record of each worker's hand washing and visits to patients is created.
Description
Technical field
The present invention relates to locate and monitor the personnel that seal in the place.The present invention also relates to monitor and be controlled at washing one's hands of personnel in the health care place etc.
Background technology
In the place of many sealings, the position of the personnel at all levels in the place, each location in a day is to need very much or necessary time.This comes into or walks out the zone, is provided at the healthcare worker's of hospital, clinic etc. motion record, determines that also when everyone enters or leave this place is useful or necessary for the motion that monitors the people in harbor to guarantee them not have without permission.
Especially, in hospital, high expectations has the stored record of each healthcare worker position on weekdays in the hospital.This can provide and help put down in writing valuable record and other the valuable information of concrete patient at the health therapy of concrete time.
Also need to detect and write down the state of washing one's hands of indication each healthcare worker any time on weekdays and the information of worker's position when determining to wash one's hands state.
The purpose of this invention is to provide the stored record in the hand-washing activity of given time period health care each worker in the place, helping the encouraging healthcare worker to wash one's hands as far as possible continually, and provide and set up the record that each healthcare worker observes the degree of this movable system of management with the propagation of minimum infection to the patient in the place.
The present invention can be used for various places, such as, but not limited to patient care place, medical laboratory, dustless factory, food handle the place, and other need wash one's hands continually with any place that prevents that pathogen or other undesired particulates or microorganism from scattering.
Health care need in the place regularly, to wash one's hands continually be very important.Having confirmed that the healthcare givers does not enough wash one's hands continually causes many diseases that they had not before had of patient infection (so-called hospital infection) in the place.In every year, this causes surpassing 100000 patient death and many serious new infection, often with anti-medicine organism, need a large amount of time, expense, and patient bears misery.
Hospital infection is very large for the cost of hospital.The insurance supplier refuses to compensate hospital in the recent period by any expense that this infection causes, and forbids that also they transfer to these costs on one's body the patient.Therefore, hospital is because these incidents suffer serious economy loss.
Therefore, formulated the strict system of washing one's hands by the rights and interests of specialty relevant mechanism and government department.These system regulationses, for example, with contact patients before and now wash your hands afterwards.Although reminded and indicate the healthcare worker who comprises doctor, nurse or other staff to require them to wash one's hands, the degree of observing is relatively poor usually.Therefore, owing to insufficient infection rate height that causes in accordance with the system of washing one's hands in hospital and other health care places must make us and can't accept.
Past has proposed various system and methods, is used for preparing in hospital the state recording of washing one's hands with the medical personnel located either in other health care places.In these were proposed, the badge that uses RF (radio frequency) or other signalings and healthcare worker to wear was got in touch.Yet these previous systems are considered to exist defective, and are not considered to and will be widely used.
Another problem in health care place be monitor concrete patient's visit personnel and this personnel before each the visit, during and afterwards the state of washing one's hands.The caregiver that these are visited and the record of healthcare worker's the state of washing one's hands will help to confirm nursing level and patient is in the cleanliness of the hand of any given time.These are recorded in determines that insurance claim and legal consultation aspect are useful.
Another problem is to be used to monitor that the technology and equipment accuracy and the reliability of healthworker's the state of washing one's hands need to improve, can indicate the needs of washing one's hands reliably like this, and can be used for indicating reliably the needs of washing one's hands by healthworker oneself and patient and other staff.
Another problem of the present invention is paid close attention to patient and is moved to the location of another position in the health care place from their bed, and monitors the caregiver with these contact patients.
The invention provides a kind of system and method that solves the described demand in this field and overcome the foregoing problems of known system.
Summary of the invention
The invention provides a kind of system, it is convenient to be accurately positioned in the individuality in the place, and its will with other individualities (for example, the patient of hospital, other places that keep healthy; Need the nursing place of technical ability, auxiliary living facilities, sanatorium) position of approaching such individuality be associated with the situation of the situation of observing of washing one's hands of this individuality at other individual when and where places when so closely contacting.Though should be appreciated that main reference hospital environment of the present invention is illustrated, other environment, include but not limited to other healthcare environments, food processing environment, computing machine dust free room and other manufacturing environments, also can benefit from the enforcement of various embodiments of the system and method for this paper disclosure and description.
Therefore, the purpose of this invention is to provide a kind of sealing place personnel location system accurately and reliably and method, and health care place personnel positioning and wash one's hands surveillance and method, it alleviates or has corrected the problems referred to above.
Specifically, purpose provides a kind of wireless system and method, and it is at the personnel's that detect the sealing place position, medical treatment or other staff's the extremely firm and zero defect of the state aspect of washing one's hands.
Another object of the present invention provides a kind of like this system and method, its when each healthcare worker washes one's hands and each healthcare worker detect and record during near patient, and everyone is provided the indication of this worker's the state of washing one's hands.
Another object of the present invention provides a kind of system, it writes down this information automatically when personnel and patient are mobile in the place, and provide retrievable stored record, can prepare to observe record from this record, being used for observing and the evidence that visits an invalid during treatment, and provide other relevant informations of these personnel.
Another purpose of the present invention provides this system and method, and it is wireless, and is simple relatively and low-cost, reliable, has low-down power requirement and long battery life, and requires low relatively maintenance, and mainly be trouble-free.
According to the present invention, by a kind of system and method that is used to be positioned at the personnel in the sealing place with a plurality of isolated websites is provided, realize aforementioned purpose, wherein each personnel wears indicating label or badge in this place.
Provide equipment to enter from the time of this website in predetermined distance at each website to determine each label, and the time of record number of tags and incident.
This preferably finishes by transmission first and second wireless signals between website and label.Preferably, signal has significantly different transmission speed.A kind of signal is preferably such as the electromagnetic signal of RF signal, and another kind ultrasonic signal preferably.The transmission time difference of measuring-signal when this difference is lower than predetermined level, send information to storer by network and comes record position and tag number, also records this and write down stored time and date in storer.
According to another feature of the present invention, each website in the place is interrelated in the wireless network of for example " ZigBee " network, and this wireless network is set up and maintenance is all very simple and cost is lower.For safe transmission, preferably with data encryption.Therefore, created all personnel's who in the given time period, in the place, occurs available record.
If expectation or needs can change into and use other simple relatively WLAN, such as Wi-Fi, Bluetooth etc.
When using in the health care place such as hospital, each identity label or badge are worn by associated people and this people's name appears on the label.Label also has the device such as one or more visible LED, with all states of washing one's hands of indication wearer, and has alternatively such as vibration or another indicant of voice signal to tell when the wearer needs to wash one's hands.
In at least some websites in the place, except above-mentioned distance detecting equipment, also provide the equipment of washing one's hands.At each such website of washing one's hands, provide the detecting device of washing one's hands detecting and the finishing of the satisfaction of indication badge wearer's handwash operation, and with this information transmission to badge and light LED.LED keeps bright one section preset time, in that during this period it can be by the somebody of institute identification with indication wearer positive (hand cleans) state of washing one's hands.
Wash one's hands detecting device preferably when the complex of washing one's hands that will be fit to is applied on the staff, or contain suitable volatile matter, detectable complex at human, such as the chemical explosive tracer agent, steam at once on the sensing staff or that distribute after washing one's hands such as alcohol (it also is sterilization).Yet, if desired, also can change into and use as known in the art other detecting device of washing one's hands.For example, when specific healthcare worker when this website is enough near, can infer the situation of washing one's hands by monitoring in the distribution of the hand lotion that is fit to of the specific website of washing one's hands.
According to another feature of the present invention, preferably be installed on patient's bed with the position detector of the identical the same type of using at the website of washing one's hands or near, on the wheelchair, on the wheel bed, and other internal hospital deliveries and/or patient's fastening on, be used to detect enough near-earths near patient with the touch patient or otherwise pathogen is passed to patient's everyone label.
These monitors are called " bed monitor " at this paper, (or alternatively, be called " bed website ") or " delivery monitor ".
Therefore, when the healthcare worker offs normal patient on bed or another supporting construction in predetermined distance the time, identity, patient's identity and worker's the state of washing one's hands of bed or detected each the independent label of delivery monitor records, and with these information by Network Transmission to data storage facility, wherein also stored the date and time of transmission together.
When patient from its bed when transferring to wheelchair or other delivery vehicles, the identification patient who is stored in the monitor will transfer to the similar delivery monitor that is installed on the delivery vehicle with the information of the position of bed, and it closely meets detection and record and other staff's.Alternatively, or in addition, as will be described in more detail, patient will be provided with detecting device, it detects, record and transmission near each healthcare worker's of patient information to CPU (central processing unit) and database.When except bed monitor or delivery monitor when also using this detecting device, the monitor of this patient's special use provides authentication data and redundant information to system when bed monitor malfunction for example.
As mentioned above, preferably, each badge that the personnel in the hospital place wear or identity label have the indication LED such as green glow, and it is lighted after handwash operation completes successfully immediately.LED keeps bright one section preset time, and such as 10 minutes, lamp extinguished when this time finishes, and the wearer must wash one's hands once more in order to light LED again.
Usually require every healthcare worker at once in contact or near washing one's hands before any particular patient and afterwards.Therefore, an other advantageous characteristic of the present invention is a generator in each monitor and each delivery monitor, if with lamp light yellow when detecting for the first time, as long as the healthcare worker enough closely just keeps green light bright from particular patient.Alternatively, or in addition, the LED on the bed monitor can illuminate, with when the healthcare worker takes care of particular patient, and the hygienic state of reflection healthcare worker's hand.
Even in fall time (for example, 10 minutes) of the lamp of setting when not finishing, leave particular patient to other local time the healthcare worker, lamp can extinguish automatically, and this also is an advantage.This will be beneficial to encourages the healthcare worker washing one's hands near before the next patient.This also can make the patient who sees green glow feel comfortable.
Using single pilot light on identity label is not crucial for the present invention, but finishes the bright another kind of light in back (being generally ruddiness) in the preceding time of once washing one's hands and allow the more pleased acceptance potentially of patient and healthcare worker than what propose in the past.In addition, power is used in single light restriction.Alternatively, can in label, use vibration or voice signal need wash one's hands with the prompting worker.
We believe, if indicator is worked exactly, it will allow patient to strengthen the requirement of washing one's hands to the healthcare worker who serves this patient, also will be to respecting and trust indicator system.
A kind of selection is to allow green light " light yellow " finish up to the time of " bright " simply, and no matter where the worker has gone.Though this does simpler, informedness is relatively poor for patient and worker.
An optional embodiment of the present invention is except distance measuring equipment or replace it, also uses motion detector, so that monitor/personnel positioning device can move.
In the bed monitor, unless detect motion the people of patient support structure (for example, a bed) side, motion detector stops this unit emission " ping ".This can help to reduce battery drain, and does not rely on the badge in can sensing range.
In the monitor/steady arm of washing one's hands, no matter whether the badge wearer opened this unit, motion detector with proceed-to-send signal to badge with from the badge received signal.Therefore, even the people does not attempt to wash one's hands, also can be located.
Aforementioned and other purposes of the present invention and advantage will be set forth in following description and accompanying drawing, or it will be more obvious from following description and accompanying drawing.
The accompanying drawing summary
Fig. 1 is such as the partial schematic of the various parts of the containing field of hospital location of the present invention in one's power and detection system, the skeleton view of incision.
Fig. 2 is the front side enlarged drawing of an embodiment of the identity label worn of the personnel in the place shown in Fig. 1.
Fig. 3 illustrates the current synoptic diagram that the monitor of use on the doorway detected and write down the people who passes the doorway.
Fig. 4 is the schematic block diagram according to an embodiment of the invention positioning unit that makes up and the detecting device/authentication unit of washing one's hands.
Fig. 5 is used for the schematic block diagram according to the electronic unit of an embodiment of identity label of the present invention shown in Fig. 2.
Fig. 6 is used for the related each other synoptic diagram with the network of carrying out function of the present invention of various monitors and detecting device.
Fig. 7 is the top plan view of partial cutoff that is used for the motion detector of an embodiment of the invention.
Fig. 8 is used for the front side enlarged drawing that the motion detector of Fig. 7 of an embodiment of the invention is arranged.
Fig. 9 is used for the side direction enlarged drawing that the motion detector of Fig. 7 of an embodiment of the invention is arranged.
Figure 10 is the skeleton view that is used for according to parts of the movement detector element of Fig. 7 of an embodiment of the invention.
Figure 11 provides the process flow diagram of the step in the operation that a preferred implementation that is included in the website of realizing according to the present invention of washing one's hands is shown.
Figure 12 provides to illustrate and has been included in the process flow diagram of realizing according to the present invention by the step in the operation of a preferred implementation of health care or the badge worn of other workers, washes one's hands in accordance with degree so that file and confirmation to be provided.
Figure 13 provides the process flow diagram that is included in the step in badge of being worn by health care and other workers and the communication between the website of washing one's hands that realizes according to a preferred embodiment of the present invention has been shown, and washes one's hands in accordance with degree so that file and confirmation to be provided.
Figure 14 provides to illustrate and has been included in the badge of being worn by health care and other work post persons realized according to a preferred embodiment of the present invention and the process flow diagram of the step in the communication between patient's bed monitor, washes one's hands in accordance with degree so that file and confirmation to be provided.
Figure 15 provides the process flow diagram of the operation of the preferred implementation that the bed monitor of realizing according to the present invention is shown.
Detailed description of the preferred embodiment of the present invention
Fig. 1 shows a sealing place in a preferred embodiment of the present invention, is the cut-away portions 10 of hospital in this example.
Hospital is the sealing place that typically has several floors, and each floor has floor 12, forms the vertical wall 14,16,18 in corridor, and contains the patients room 22 of patient's bed 24.
In an exemplary embodiment of the present invention, the modification that should understand in concrete configuration described herein falls into scope of the present invention, 20 li is to wash one's hands website 26 and at the personal computer 44 of website 28 in the corridor, and computing machine 44 is placed on the desk 46, is used for network or following other purposes.
Be useful on two ponds 30 of washing one's hands and 32, two such as germicidal soaps or waterless hand-washing complex for example automatic distributor 34 and 36, and towel placer, hot-air hand dryer or other dried arm devices 38 of alcohol hand complex at the website 26 of washing one's hands.In the place that the waterless hand-washing function is provided, can not need to provide or use dried arm device.The personnel positioning device and the detecting device 40 or 42 of washing one's hands are positioned at each distributor 34 of next-door neighbour or 36 or both position.Alternatively, or in addition, in according to another implementation of the invention, unit 40 and 42 can be the sensor of record from the dispensing of the complex of washing one's hands of distributor 34 or 36.
Not only comprise the website 26 shown in the image pattern 1 at term used herein " website of washing one's hands ", also comprise distributor, such as the distributor of under the PURELL trade mark, selling and other websites that constitute such as 40 the relevant detecting device of washing one's hands by the gel that contains alcohol, foam or the liquid of wall.Present this distributor uses in many hospitals by this way.The place there is no need hand basin at website, as long as at that suitable hand lotion distributor has been arranged.
Be installed on patient's bed 24 or be personnel positioning device or " bed monitor " 50 near it.In the corridor is the wheelchair 48 that is used to deliver patient.Wheelchair 48 is representatives of wheel bed and other such vehicle equipments.Attached personnel positioning device or " delivery monitor " 52 on the wheelchair 48, it is basic identical with bed monitor 50.
Term " delivery monitor " is included in the inside and outside monitor that is used to deliver patient of hospital's enclosure wall, such as on ambulance (ground or aerial) etc.
The bed monitor does not need to install in bed or other patient-stayed surfaces, and can be installed in better on the ceiling of bed top, or near the wall the bed, or can detect the place of identity label reliably.As described below, alternatively, or in addition, monitor can be relevant with particular patient, for example, at cuff or necklace, badge or any other device, when the healthcare worker when particular patient is enough near, it can detect the healthcare worker reliably and can't cause patient uncomfortable or stop them to accept medical observation.
Fig. 2 shows preferably by each worker in the hospital or identity label or the badge 54 that will or may be worn with the approaching personnel of the patient in the hospital by all that at least.At nonhospital environment, also can wear similar label, for example, by the nursing for the aged worker, by food work of treatment person or by in dustless place, work the employee wore.
Label 54 comprises pilot lamp 56, is preferably to wearer and other people all visible green LED, with indication wearer's the state of washing one's hands.Zone 58 is the highlighting of name that are assigned with the healthcare worker of this label.
Dotted line 60 among Fig. 2 is shown schematically in circuit that is positioned at label and the equipment shown in Fig. 5.
Fig. 3 shows the enlarged drawing of position as the monitor 72 of bed monitor 50, and near its ceiling 68 in wall 64, the doorway 62, doorframe is 66, and indicate by 70 on the floor.Monitor 72 detects the identity label of wearing by by everyone of doorway 54, and make identity label information and the state of washing one's hands by Network Transmission be stored.
Network is preferably the ultra low power wireless network, and such as " ZigBee " network, information is arrived the central computer system of hospital by gateway passes for it or to another data storage device, this will be discussed in more detail below.
As mentioned above, also can use other known networks to implement the present invention satisfactorily.The personnel positioning device and the detecting device of washing one's hands
Fig. 4 shows the personnel positioning device and the wash one's hands electronics of detector cell 60 and the synoptic diagram of electromechanical component.In preferred implementation according to the present invention, each unit 40 comprises 3 separate modules: optional, removable and preferably rechargeable battery group or similarly Power Processing module 74, such as lithium battery group or wall-hanging power management and converting system so that electric power to be provided; Personnel positioning unit 76, and the detecting unit 78 of washing one's hands.Should be appreciated that, comprise that each the following detailed and concrete parts in these elements can made amendment aspect layout, details or other characteristics, and do not deviate from essence of the present invention disclosed herein.For example, be not that all elements of describing all need to be included in given embodiment of the present invention or the realization.Therefore, for example, the LCD display 104 that describes below can or can be not as the part of given realization of the present invention, or can maybe can be not included in personnel positioning unit 76 or during each of the detecting unit 78 of washing one's hands install.Similarly, as below explaining, motion detector rather than personnel positioning device can be included in the specific realization or position, and perhaps except that the personnel positioning device, motion detector also can be included in the specific realization or position, and does not deviate from essence of the present invention.
One preferred embodiment in, DC power is delivered to personnel positioning unit 76 from electric battery 74.Alternatively, if socket is on hand, can be from common 120 volts of AC sockets and AC/DC adapter supply power.So battery serves as the reinforcement when having a power failure.
Optional solar recharging system 80 can be provided.Unit 80 is known.It uses overhead electric light and photovoltaic element that electric battery is recharged, and therefore minimizes or removed the trival matters that battery is recharged.
One preferred embodiment in, personnel positioning device unit 76 comprises microcontroller 82, it comprises CPU, RAM, ROM etc., and with its programming to carry out following function.
Though can obtain many suitable microcontrollers, a kind of such unit is by Silicon Laboratories, Inc.Austin, and Texas sells, part number C8051F9XX.
Provide to be preferably coloured LED 102, with scope in badge light when setting up wireless connections; Described scope promptly from locator unit 76 predetermined, preferably in the distance of (the specific installation and the needs of particular case) able to programme according to locator unit 76.
In order to show the specific label distributed in the scope that enters given locator unit 76 or the identification number of badge, provide LCD display 104.Alternatively, or except detecting identifying information from given label, this system can comprise biometrical identification systems, for example, retinal scanner, facial recognition software or finger-printer reader etc. are to be provided for discerning specific people carries out the program of washing one's hands in specific time, certain location device for certain.
Expectation provides power management subsystem 88, and it is delivered to microcontroller from electric battery 74 received powers and with the sample of cell voltage by ADC port one 06, and purpose is to detect low battery condition.
The motion sensor embodiment
In another embodiment of the present invention, except or replace the distance measuring equipment, also use motion sensor at the website of respectively washing one's hands.These embodiments are shown in Fig. 4 and the 7-10.
Shown in Fig. 7-10, will these embodiments at first be described as replenishing to bed monitor 50.In Fig. 7-10, bed monitor 50 is shown as and is installed on the vertical bracing frame 192, and its rear portion from bed 24 extends up to the head that lifts 186 of bed and the position on the horizontal part 188.Two lateral rails of bed are illustrated in 184, and bed is placed on the floor 190 in hospital or other health care places.Pillow 194 is shown in Figure 8.
As being clearly shown that more among Figure 10, motion detection sensor 180 is installed in the outside of the housing of monitor unit 50.Leveling board or similar protection tool 182 are attached at the position of sensor 180 belows.
As shown in Figure 8, the size and dimension of layout board 182 make to form protective shield, stoping the motion of the patient on the sensor 180 sensing beds, and stops and forms people's the detector area domain border 196 and 198 that motion detection function is restricted to the both sides of bed 24.
With reference to figure 9, preferably, motion detector has the outer scope 200 of leg that does not significantly extend to bed, thereby avoids detecting the people's who only passes through from the side motion.
With reference now to Fig. 4,, motion detector 110 is electrically connected to power management subsystem 88 sends ultrasonic signal or " ping " with starting when detecting motion function.Microcontroller 82 is programmed, when not having response at badge behind the ping of predetermined number and in the scope of range observation equipment, not detecting badge, and when also not detecting signal from motion detector 110, start and send ping.
When the personnel of bedside had shifted out the scope of monitor unit, this function can effectively be closed the ping function.This helps when the health worker does not occur and be mobile, preserves the power of battery by stoping the emission distance measuring signal.
If desired, in certain acceptable place, although it has lower accuracy, can replace distance measuring equipment of the present invention with motion detection device, this will determine the distance of personnel to motion detector.
When at the website of washing one's hands,, when using the motion detector of all unit as shown in Figure 4 40, open unit 76 by motion detector rather than optical sensor 110 except distance measuring equipment or replacement distance measuring equipment.This means by network sensing and emission badge information and other information being used for record, and no matter whether the people attempts to wash one's hands at this website.This advantage that has is even specific people does not wash one's hands, can confirm that also the special time of this people in one day is in the position of washing one's hands website.
Though can use various types of motion sensors, IR radiometer type, such as those types that can extensively obtain from Panasonic and other companies, deemed appropriate.Though show the use of protective shield 182,, can adjust motion detection sensor itself from its visual field so that bed 24 is removed if be ready.
If also use motion detector except the range observation equipment, monitor unit 76 is the badge of response in the range observation scope accurately of monitor unit only, and no matter detected motion outside this scope.Yet, in according to a preferred embodiment of the present invention, be that the logical circuit in the badge is controlled all decisions, this will be further described below.
The detecting device of washing one's hands
In according to a preferred embodiment of the present invention, that the detector cell 78 of washing one's hands utilization is is that on June 8th, 2007 submitted to, be entitled as U.S. Patent Application Serial Number 11/760100 " Hand washing Compliance Detection System ", that be published as US2008-0303658, and in Dec in 2008 18 that announce, that be published as WO2008/154494, relevant follow-up PCT patent application PCT/US08/066329 discloseder principles of washing one's hands and detecting.Disclosing of the patented claim of these announcements is included in this with for referencial use.Yet, will understand, based on the disclosure, in optional embodiment according to the present invention, by can realize washing one's hands the positive acknowledgment of other the known methods in this area in accordance with degree.For example, known when being required to defer to the people that wash one's hands in accordance with policy and washing one's hands, apply mark substance to hand.Only could be when using the suitable program of washing one's hands from removing mark substance on hand, this label is from removing the confirmation that (that is, this is opposite with following method in fact) is considered to observe on hand.If for example, the healthcare worker does not wash one's hands simply, mark substance will not be applied to them on hand, does not have label can not prove pro that they wash on hand and receives and distributes, and then this method does not have following disclosed method more to make us happy.In addition, at first, have in each occupation or position and to be applied on hand and must to have sizable resistance from the detectable label of washing off on hand.
Therefore, in according to a preferred embodiment of the present invention, unit 78 operations are to be applied on hand at the suitable complex of washing one's hands, or with comprise " tracer agent " or " mark " material such as alcohol (or in above-mentioned reference and the patent that comprises announcement thing disclosed any other tracer agent, include but not limited to for example GRAS complex; Volatile matter, detectable complex, such as isopropyl alcohol, ethanol, n-propanol and combination thereof etc.) cleaning substance wash one's hands during or be right after after, detection is from people's the steam that distributes on hand, part in above-mentioned is the sterilization component commonly used of the material of washing one's hands of hospital's use, and other are for increasing fragrance or similarly filling a prescription and add.Cleaning material comprises, for example, and the hand lotion of alcohol type; Antimicrobial soap; The hand lotion of sterilization; The wiping hand agent of sterilization; Abluent; Soap; No water germicide; And surgery is wiped the hand agent.When alcohol is used as tracer agent, preferably, complex comprises at least about 5% or 10% or 20% or 30% or 40% or 50% or 60% or 70% or 80% or 90% or even nearly any combination of 95% ethanol, isopropyl alcohol, n-propanol or these complexs or any intermediate concentration of these complexs.
People use from distributor 34 or 36 discharge (automatically or pass through mechanical behavior, and according to the present invention, release itself can be monitored or be stored as the wash one's hands evidence of observing or other evidence in addition) contain the alcohol of soap or other materials or other tracer agents and wash one's hands during or afterwards, this people is with the close sensor of hand, such as optical sensor 110.Ideal situation, in order to make the existence of sensor measurement volatility, detectable complex, people do not carry out Body contact (therefore avoiding polluting once more the hand of firm wash clean) with device.
The operation of personnel positioning device 76 has been started in the activation of optical sensor 110, and this will be described in greater detail below.Alternatively, as disclosed in detail, lower if desired in the above precision, motion detector can be used for this purpose individually or with the operative combination of personnel positioning device 76 ground.
Equally, in one embodiment according to the present invention, light illumination LED 113 to provide preferred white light to illuminate to present the people's of its both hands hand.In according to a preferred embodiment of the present invention, the people who presents its both hands does not carry out in Body contact or the hand insertion detecting device with them with detecting device, but only their hand is lifted to detecting device.Air before the detecting device is sucked detecting device (this will further describe hereinafter) energetically, to allow to be included in sensor measurement in the detecting device near the volatile matter that distributes the hand of detecting device.
Parts shown in Figure 4 are contained in the housing 126.Fan 122 is extracted the air in the housing 126 out and by the ejection of arrow 122 indicated directions, and comprises that steam that alcohol steam or other contain tracer agent is with by vapor sensor 111 sensings being sucked from user's hand by arrow 124 indicated directions.
After one short period, preferably be shorter than one minute or be shorter than 50 seconds or 40 seconds or 30 seconds or 20 seconds or 10 seconds or 5 seconds or even most preferably be the rank of only several seconds or any of short duration time period, when vapor sensor detects alcohol or other tracer agents in the steam, it transmits a signal to microcontroller 82 by ADC port one 08.This EM signal that makes badge transceiver 90 transmission such as RF or IR signals is to badge, to light green indicating lamp 56.Similarly, the visible LED 128 in 78 the outside is lighted from the unit, to confirm to have detected suitable handwash operation.
In an optional embodiment according to the present invention, the above-mentioned detector member of washing one's hands can miniaturization and is placed on the badge or label that offers each healthcare worker.Alternatively, wash one's hands detecting device can be placed on the separation that is distributed to each healthcare worker but in the equipment that can be portable.Yet, should be appreciated that, usually more preferably these parts of system are contained in the fixed position adjacent with the website of washing one's hands, so only need the healthcare worker to carry less equipment, the detecting device of washing one's hands that a plurality of relevant workers that wash one's hands can only place in a limited number of tactic is confirmed their degree of observing of washing one's hands, and all these should reduce to realize the cost of this system in any particular environment.
The badge electron device
Fig. 5 shows each badge that is included in shown in Fig. 2 or the circuit 60 in the identity label 54.It will be understood by those skilled in the art that except details shown in this figure, other layouts, layout or details fall into scope of the present invention if carry out similar function in a similar fashion.
Central authorities at circuit 60 are microcontrollers 132, and it can be identical or similar with the type of the microcontroller 82 that uses in the unit 40 shown in Figure 4.
Circuit 60 also comprises management circuit 162 and rechargeable lithium battery group 160 preferably.Certainly, can use the battery of other types, for example non-rechargeabel alkaline battery or even photovoltaic charged and power storage and supply system that storage system maybe will be developed as known in the art.For the battery in the badge (this paper also index signs) is recharged, on badge, provide the terminal (not shown).
Ultra low power badge transceiver 134 also is provided, it is the electromagnetic signal transceiver such as RF transceiver or IR LED/IR photodiode, it is communicated by letter with locator unit 76 by antenna 136 or the device that similarly is suitable for the EM signal type, is used for from the unit 76 and receives RF or other EM distance measuring signals.
Ultrasonic receiving element or microphone 138 and sensor circuit 140 also are provided, have been used to receive the 76 supersonic sounding signals that send from the unit.For example, microphone 138 is by Knowles Electronics, Inc., Itasca, Illinois, the microphone of the part number SPMO2OLUDS that USA makes.
Each unit 134,140 is delivered to its output the pulse-detecting circuit 146 or 144 that produces corresponding output pulse.The output pulse of acoustics circuit is illustrated in 148, and it is called " end pulse ", and (for example, RF) pulse of receiver generation illustrates 150, and it is called " beginning pulse " by EM.
The optional Vib. 151 of the type of using in mobile phone etc. is connected, " close " (as determining to be used to warn wearer's status lamp 56 of washing one's hands in a particular case by microcontroller 132, wash one's hands status lamp 56 and Vib. 151 all is connected to microcontroller 132), and need wash one's hands.Alternatively, element 151 can be audio signal generator, or lamp, for example, and so that sound or the visual cues device that need wash one's hands to be provided.
Range observation
Ultrasonic and EM (for example, RF) the distance measuring signal acquisition pulse 148 and 150 of the correspondence that receives from locator unit 76.These two signals have visibly different transmission speed.EM (for example, RF) propagate with the very high speed near the light velocity, and ultrasonic signal is propagated with the aerial speed of sound, and it is low-down speed by signal.Pulse 148 and 150 is delivered to the flight time (" TOF ") clock logic 152 in succession, and it is delivered to output signal 16 digit counters 154 that are formed in the microcontroller 132.By clock circuit 156 clock signal of 100kHz is delivered to counter.
Can change this scope as required, but for such as for the cell location device of washing one's hands shown in the unit 40, this scope can be set to relatively short distance, such as 2.5 feet (0.8 meters), so that stop unnecessary detection to other badges that may be far away.
By in unit 40 and 42 each being positioned at independent or other websites of washing one's hands (can be anhydrous website) in two ponds, and two unit 40 and 42 far are separated from each other, can be provided with near identification, make and be no more than a people in enough approaching locator unit 76 of any one time, to open it in particular station.This will greatly prevent or get rid of the two of ambiguous while and detect.
If necessary, can provide circuit to prevent before first badge is finished processing, detecting second badge.Yet, consider that the health worker avoids this point with very fast association, and without any need for the circuit of special use.
Certainly, because this unit is opened by the hand of presenting to vapor sensor 111, can use a unit for two adjacent ponds.
Refer again to Fig. 5 and Fig. 4, when vapor sensor 111 detect the healthcare worker on hand or from the sufficiently high quantity of steam level of distributing on hand the time, microcontroller makes badge transceiver 90 (for example send EM by antenna 92, RF) signal is to the transceiver 134 of badge, it provides energy by microcontroller 132 for the led driver circuit 158 of lighting green LED 56 then, and badge indication wearer receives and distributes at nearest a few minutes wash-in like this.
Can programme carrying out different timing functions to microcontroller 132, such as in response to receiving different signals, for example the pulse in several seconds at interval only after several seconds rather than 10 minutes is being extinguished lamp 56, to be used for the purpose of explained later.
Also can programme to measure different distances, with the purpose that is used to describe below to microcontroller 132 in response to different input signal (for example, the pulse in several seconds at interval).
Data transmission
When the personnel positioning device receives return messages from badge, and when the detecting device of washing one's hands is finished its work, the personnel positioning device sends following data to hospital computer storage server or another data storage device by ZigBee or equivalent network:
1. the identity of locator unit.
2. the badge that reads number.
3. whether the badge wearer has carried out the program of washing one's hands.
Data and the time and date mark that is applied automatically by the storage equipment send to the memory location together.
Therefore, stored every historical data that the badge wearer washes one's hands in any given date, time and position.When proof is observed or is not observed when washing one's hands system, can be with reference to this record.
In an optional embodiment, in the situation that does not need to detect immediately in the primary memory of data storage at hospital computer system, the time and date data can be added each message block that is stored in such as in the local computer of computing machine 44 to, are downloaded to primary memory subsequently.Also can be provided at badge or steady arm circuit or the one-board memory among both, temporary transient to be used for, permanent or semipermanent record keeps or is used for periodic download to central database.
In anything part, the time and date of each personnel's locating events is stored in storer, preferably needn't be in wireless network transmissions time and date information, to minimize needed data transfer rate.
Then, the data that are stored in hospital's central computer or other data storage devices can be used for handling, and are used for generating report, comprise for hospital management, and, how to be fit to, for exterior monitoring mechanism, wash one's hands in accordance with the registration office such as state or country.
The bed monitor
The unit class of the 26S Proteasome Structure and Function of each unit of " bed monitor " 50 and " delivery monitor " 52 and the unit 74,76 shown in formation Fig. 4 and alternatively 80 seemingly or identical has some modification.
A modification is, replaces suspending to come for optical sensor provides energy by presenting hand up to the healthcare worker, and a bed monitor repeatedly sends distance measuring signal or " ping " badge in it detects scope with the time interval of presetting.
Detecting the distance " scope " of badge or maximum figure usually can be greater than in the respective distances at website place of washing one's hands, and for example can be 6 feet to 9 feet or 10 feet (2 to 3 meters).
In addition, preferably arrive other local time when the caregiver leaves patient, monitor extinguishes green LED automatically, and needs only the caregiver on the patient next door, and monitor keeps green LED " to open ".
These features will be described in greater detail below.
When sending " ping " and detecting badge in the scope by monitor, the state (" opening " or " pass ") of the green LED on badge identifier and the badge is transferred to data-storage system by ZigBee or equivalent network, is labeled time, date this its and is stored.
Repeat this program for each caregiver near the same patient in the monitor scope.Use same " ping " detected second or another badge with out in the cold and detect by next " ping ".
Equally, identifier and this information of each monitor with himself is also transmitted and is stored in storer.Therefore, storage system contains following information now:
1. badge identification;
2. enter or near the patient's of given position time and date;
3. the identification of website; And
4. the state of the LED that washes one's hands that wears by the caregiver.
Therefore,, write down appearance or the position of people at specific time and date owing to use equipment 40 at the website of washing one's hands, and this people this people's when appearing at this website the state of washing one's hands.
Specific caregiver appears at the record of the bedside of particular patient at specific time and date, when the controversial claim of the treatment of confirming to give patient, has significant values.The status information of washing one's hands can confirm visit person's hygienic standard and be provided for the data that the caregiver observes overview.From the disclosure, it will be appreciated by those skilled in the art that, except confirming to wash one's hands in accordance with degree, can also utilize system of the present invention, equipment and method to refuse to pay the insurance supplier, and/or with provide record to keep and bill information with confirmation in real time that particular patient spends on one's body, even nursing in many patients' the environment, be included in the environment with many different healthcare workers by specific healthcare provider.Realize suitable data qualification and selection algorithm for the technician, being used for generating the bill record based on the healthcare worker position that is relevant to given patient, and no matter be separated to store, classify and analyze washing one's hands in accordance with record with the degree of observing that confirms relevant policy of washing one's hands in particular environment or system.
In addition, it will be understood by those skilled in the art that except confirming and wash one's hands,, can utilize system of the present invention, equipment and method to monitor, assess and confirm that patient's is acute by determining the special health service expert and the interaction times of particular patient in accordance with degree.For example, hospital often uses " acute record " with the nurse rate of determining patient and the quantity of distributing to other healthcare workers of particular patient.The information that use obtains from system of the present invention, equipment and method, hospital and other healthcare providers (the nursing place of home for destitute, specialty, surgicenter etc.) can be better be complementary single patient's demand and available resources.The better distribution of this patient care that should cause improving, health care resource, that identification changes patient earlier is acute and by distributing scarce resource finally to reduce the health care cost better.
The transmission frequency of distance measuring signal or " ping " is can be from per second several to change to only one of 15 seconds or longer time.Expectation makes frequency high as much as possible, and does not produce excessive Power leakage on the battery in badge.We believed per 3 or 4 seconds or the frequency of a still less time pulse enough for installation of the present invention usually, but for example, according to needed standard of accruacy, in the traffic level criterions such as (personnel's turnover) of given position, can revise arbitrarily by the system manager of the appointment that is fit to.
According to another feature of the present invention, preferably when the caregiver who wears badge still bedside in particular patient, keep the LED56 that washes one's hands of light yellow " to open ", to prevent if LED " pass " and the caregiver also causes the attention that patient is possible at bedside, and no matter when the caregiver leaves bedside to other local will automatically lamp being extinguished, so that supervise the caregiver to wash one's hands immediately strongly before near the another one patient.
Carry out suitable programming by the microcontroller to monitor and badge in many ways, can realize these functions.
For example, when detecting badge for the first time by the bed monitor, monitor sends identification signal to badge, and badge is stored it.The repetition pulse that monitor sends makes the short timing function of microcontroller rather than long timing (for example, 10 minutes) function effective.For example, the short time equals several " ping " pulse." ping " of each success that is received by badge restarts new timing circulation.
Therefore, as long as badge continue to receive one among " ping " of several at least predetermined numbers, badge LED just will keep light yellow, and no longer will extinguish automatically during reception " ping " owing to the caregiver leaves bedside.
Because wearer's green glow is extinguished in prevention prematurely, when the wearer walks out the scope of monitor, and can not detect " ping " for the time that surpasses predefined time span the time, the closing automatically of scalable light.If wrongly extinguish generation, this will reduce the wrong number of times of generation that extinguishes.
When the caregiver does not at first wash one's hands and proceeds to another patient, if pilot lamp 56 is not also turned off, badge will receive the identification signal of new bed monitor, and its identification signal with previous patient's storage is compared, and when two identification signals do not match, turn off lamp.Equally, in this case, can provide energy, wash one's hands to remind the caregiver for Vib., audio signal generator or optical signal 151.
If the caregiver washes one's hands subsequently, LED56 will be once more " opening " complete 10 minutes, or as long as caregiver's light yellow always just in the scope of the bed of given patient or other patient's dedicated monitor still, unless do not visit another patient subsequently.
Because each is different timing functions effectively, should be different from the signal that sends by bed or delivery monitor from " ping " of the personnel positioning device transmission of the website of washing one's hands.Pulse rate by changing " ping " or ultrasonic or EM (for example, EF) signal frequency, or, can accomplish this point in other modes well known by persons skilled in the art.
The correct adjusting of the green LED 56 on caregiver's the badge can provide strong luring for suitable washing one's hands.
If patient can status recognition, he or she also can remind its LED for the caregiver of " pass " and be intent on him or she and wash one's hands.This will go to wash one's hands and need do not reminded by patient to the further motivation of caregiver.
The delivery monitor
For example, as shown in Figure 1,, discern this patient's information and can transfer to delivery monitor 52 on the wheelchair from bed monitor 50 if patient transfers on the wheelchair 48 from bed 24.This can finish by pushing outer button 85 (see figure 4)s, and outer button 85 operation transceivers 84 are so that 50 be sent to unit 52 with information from the unit.
In the optional realization aspect this of the present invention, if each patient in given health care place is provided with a patient location device, the process of then the following the trail of patient robotization more that can become.Each patient in this place is provided with certain identification label usually, often is the form of non-removable (can not produce it and destroy) wrist label.The wrist label of this patient's special use or other positioner equipments relevant with patient can be implemented, make in any given any given position of time in the health care place, patient's position is easy to be defined, and is recorded by communicating by letter with other elements of the present invention with the steady arm of this patient's special use.By this way, for information that will be relevant with particular patient 50 is transferred to for example unit 52 from the unit, for the health care that is provided even there is no need to remember to press outer button 85.Because what be fit to is structured in the subroutine of shaking hands in the communication software, this will seamlessly take place.The monitor of patient's special use can be with moving with the above-mentioned mode that is equal to that is used for a monitor, its relate to detection, record and emission about with the enough approaching healthcare worker's of patient information, observe the requirement of washing one's hands that is used for contact patients of foundation to require them.In this embodiment, monitor, make that monitor is along with patient moves when patient moves by the monitor guiding relevant with patient body.
Subsequently, unit 52 to be working with unit 50 identical modes, with indication healthcare worker's contact patients and store badge identity and time.In this situation, the storage of monitor number does not provide the position.
As mentioned above, when patient turns back to his or her when bed, information can be once more 52 be sent to unit 50 from the unit.Patient contacts once more by Network Transmission and is stored in the computer memory concrete time and concrete healthcare worker's, and thinking provides record in the future.
Computer network
The ZigBee computer network that uses among the present invention is schematically illustrated in Fig. 6 of accompanying drawing.Because WLAN is extremely variable in configuration, so Fig. 6 only is the representative in the many different configuration that can exist.Also will understand, comprise that the realization of the present invention of the wire communication between the various elements of native system shown in Figure 6 therefore will be outside the scope of the embodiment of considering for realization of the present invention.
The ZigBee network technology is well-known, and the parts of this system all are standardized.Yet according to the factor such as wall displacement, equipment position etc., the place that respectively separates in the big place can have different network configuration with the LAN (Local Area Network) of respectively separating.
Each network should have telegon, one or more router, reach one or more terminal devices.
In the network of Fig. 6, network coordinator is illustrated in 164.It is as one " node " of network.The possible path of the dotted line indication radio signal propagation between each node of network.
Can place router one 72,174 and 176 as required.Telegon 164 also is a router, and telegon and unit 172,174 and 176 are determined the Route Selection of the wireless signal in the network together.Terminal device among Fig. 6 comprises unit 40,42,50,52 and 72, and all these was above being described.
In the network shown in Fig. 6, send along the available best route of determining by the software in the system from the wireless signal of terminal device, and be passed to gateway device, in this situation, this gateway device is PC 44, it is also shown in Figure 1.
From PC gateway 44, bigger network 166 by hospital or other places, data transfer is obtained the database of the server 170 of data to the storage data with from it, if think patient, personnel and suitable, for various records or report are prepared by the regulator of outside.
As mentioned above, alternatively, data can temporarily be stored in the disk file of the storer of badge 60, steady arm 40, computing machine 44 or connection, and download to server 170 subsequently.If realize this point, when data storage during at the storer of computing machine 44 or other intermediate data storage devices, data will be by mark time and date automatically.
Router one 72,174 and 176 and telegon power on always, they can " be monitored " from the communication of terminal device and transmit the message etc. of storage like this.Therefore, these equipment should use the house electric current by the rule outlet, rather than have the battery and the data backup system as known in the art of suitable power.
Advantage is that terminal device can be the independent battery-operated equipment in most of the time " sleep ".This is suitable for too near wash one's hands detecting device and the personnel positioning device the website of washing one's hands.
Example
Described the present invention substantially, comprised and realize and use best mode of the present invention, provide following concrete example further expanding the description that the present invention is write, and guaranteed those skilled in the art not need excessive experiment and can put into practice the present invention.The feature of the example that below provides is not intended to restriction, and modification, equivalent and the nonessential modification that is included in the feature in these examples should be thought and drop in the scope of the open and claims of generality provided herein.
Example 1
In realizing mechanism of the present invention, given healthcare worker visits two different patients.
It below is example for the given contingent event train of healthcare worker.
At first, the worker is applied to it on hand with an amount of suitable complex of washing one's hands.Realize this point by the distributor that activates complex, this complex has used miscellaneous part of the present invention to test, to comprise by the detectable tracer agent of the sensor that uses in realization.Tracer agent can be for being included in the alcohol in soap complex or the waterless hand-washing complex, or it can be any suitable, nontoxic detectable volatility complex.The complex that preferred tracer agent according to the present invention includes but not limited to the GRAS complex and discloses and discuss in for example US2008-0303658 and WO2008/154494.Alternatively, when the motion detector place in being included in distributor detects enough approaching motion, or when between given distributor and given healthcare worker's identity label, setting up communication, distributor will activate automatically, and the close distributor of the enough near-earths of described healthcare worker is to allow to set up this communication.In another optional mode, distributor is reading suitable biometrics, such as retina scanning, facial recognition software or when it appears at the people's who requires the distribution hand lotion when washing one's hands website fingerprint, can distribute an amount of hand lotion.What distributor was distributed scheduled volume in theory washes one's hands complex the worker on hand, and therefore distributes tracer agent the worker on hand.The healthcare worker is applying when washing one's hands complex, or immediately his or her hand is presented to detecting device, or wash his or her hand, and in the process of washing one's hands or finish after being right after of washing one's hands, hand is presented to the detecting device of washing one's hands of the green LED of lighting on the his or her badge.LED is set to during the preset time that the system manager limits (for example, 10 minutes time delay) and closes automatically later.
The worker goes to visit first patient on the bed rapidly.When he entered in the scope of bed monitor of that bed, a bed monitor detected his/her badge number and led state, and these data and bed identifier are sent to central computer system together by network was used for storage.When this information enters the central computer stores system, be labeled time and date.
Thereby healthcare worker or inspection patient carry out Body contact with patient, or are sitting in patient's bedside for example five minutes, stand up then to leave with visit another one patient.After healthcare worker's badge does not sense " ping " one section preset time length from the bed monitor relevant with first patient, even 10 minutes of being initially that badge is provided with (or any other the predetermined) time period does not also finish, green LED also will be extinguished automatically.
Before going to visit the next bit patient, the healthcare worker must wash one's hands once more and they are delivered to the detecting device of washing one's hands, the detecting device and then light green LED of washing one's hands, and the healthcare worker can continue to visit the next bit patient.
Example 2
The healthcare worker who has a rest
As another example, the healthcare worker who describes in the hypothesis instance 1 has finished now and has visited an invalid and lunch break half an hour.If the green light light yellow when lunch break begins on worker's the badge, when surpassing for example Preset Time of 10 minutes time restrictions, it is closed automatically.
Before the worker restarted to visit an invalid, in order to light green LED once more, he must wash one's hands once more.This is useful, even because the healthcare worker does not visit other patients, his/her hand has been exposed to the zone of the hospital that may have pathogen or external environment condition or surperficial, and therefore to wash one's hands be useful.
Storage and preparation will be indicated the time of washing one's hands for the last time of taking place at the record of the central computer system of hospital before the worker begins his/her lunch break, to show and in the half an hour of worker's lunch break, not contact patient, to show before visiting the next bit patient follow-up the washing one's hands when lunch break finishes then.
If desired, can or wherein exist the caregiver to carry the zone placement bed or the delivery monitor of the jumbo line of pathogen in contaminated zone.The caregiver will be required to wash one's hands when leaving.
Example 3
The process flow diagram that is used for complete operation embodiment of the present invention
In order to further describe the present invention and to make those skilled in the art can realize and use native system, with reference to figure 11-15, following example provides the detail flowchart of a preferred embodiment of the present invention to describe.Based on the disclosure, those skilled in the art will not need undo experimentation and easily realize the software and hardware that be fit to configuration and the programming consistent with purpose of the present invention, to realize following logic flow.
With reference to Figure 11, Figure 11 A provides the logical diagram that the website flow process 300 of washing one's hands is shown.Since 301, system carries out initialize routine when powering on.If in the process of initialize routine, wherein carried out customary battery inspection, if battery levels is lower, then glassy yellow LED to be showing this situation, and process enters sleep pattern 300A, rather than continues all the other steps of the flow process shown in Figure 11.On the other hand, if there is no low battery condition, then system proceeds to wake up procedure 301 from the processor sleep pattern, and it is activated by the optical sensor shown in Fig. 4 110, the enough near-earths of described photosensor senses user's brothers are observed the detection circulation near detecting device to require initialization to wash one's hands.
In case wake generation up, initialization subroutine 303 is wherein opened fan 122, and if comprise, light White LED.If detect low battery levels, the indication that LED 102 becomes yellow and will hang down battery levels sends to LCD 104.
In case activated fan, initialization sensor subroutine 304,4 seconds 305 for example time that make between sensor signal and reference signal relatively one section setting of A/D signal, with determine sensor signal whether less than, be equal to or greater than reference signal.If less than, then logic proceeds to 308.Yet, if sensor signal, enters subroutine 306 greater than reference signal, badge indicator LED 56 is set subsequently to not working or non-green state, and from that to 309, state as follows.If 305, sensor signal is then lighted LED 308 and is washed one's hands to indicate to have detected less than reference signal.
Monitor infrared, IR (or other electromagnetism 309, such as radio frequency, RF) signal reaches the time of one section setting, 4 seconds for example, to detect the badge ID that whether can detect in the scope, 310, if do not detect signal, then enter subroutine 311, the website of washing one's hands subsequently enters sleep pattern up to detecting new wake-up signal 302.Yet, if the Handshake Protocol generation 313 that in scope, detects badge and set up successful communication, then website sends infrared (or other EM) signal 314, comprise the website identity of washing one's hands, cyclic redundancy check value (CRC is used for the standard computational algorithm of error correction) and be used for badge LED is set to green to show that nearest hand wash events or its are set to non-green does not have nearest hand wash events with indication order.After some postpones 315, infrared or RF pulse initialization acoustic pulses, this is verified 316, the bit string of 5 hexadecimal characters of the scope internal state of the wash one's hands state of observing and the badge of the badge when for example comprising badge identifying information, data transmission to be used to receive.If badge is not in scope or do not receive any needed data, then system is reset to wash one's hands the again step 309 of program of requirement.Yet, if suitably receive all desired information, then light the green LED 317 on the website of washing one's hands, to confirm to have realized the acceptable program of washing one's hands, with information record with preserve 318, with confirm with specific badge, worker and badge on the communicating by letter of the state of washing one's hands.Via ZigBee network or similar network emission data, with data storage at central database 320, then system reset 321 to original state to wait for new wake events.
With reference now to Figure 12,, it provides the process flow diagram of realizing according to the present invention that is used for badge 400.401, badge is switched on, thereby starts the badge initialize routine, verifies cell voltage A/D in initialize routine, and if cell voltage low then light yellow led and come mark.If the badge initialization is passed through, 402, if then badge detects infrared or equivalent, for example, and RF, EM pulse, then the badge processor is waken up verifying cell voltage, if detect low voltage conditions then make yellow led effective.If this verification is passed through, then 403, if the EM signal that receives IR, RF or be equal to from the steady arm website, then badge is determined the website that responds wash one's hands website or patient's bed monitor based on the website cognizance code that receives.Badge suitably responds 404 according to the type of the website that is detected, if make that waking website up is the website 405 of washing one's hands, then the logic of Figure 13 description is suitable for, and is patient's bed monitor if wake website up, and 406, then the logic of Figure 14 description is suitable for.By this way, badge has been determined follow-up system logic fully.Initial EM pulse makes communication synchronization all in the system, and this is an advantage, because if all communication is all synchronous, and receiver or can close or enter sleep pattern then at unwanted other elements of interlude, thus saved power.
Suppose that it is the website of washing one's hands that badge determines to wake up website 404, then with reference now to Figure 13, it provides and has been used for badge and the logical flow chart 500 of the communication between the website of washing one's hands.501, badge is opened the flight time (TOF) ultrasonic pulse detecting device.Badge receives infrared pulse at the IR receiving lines, or equivalently, when receiving RF or other EM pulses, its time is set to 0; Time counter works then, up to receiving the ultrasonic signal that arrives soon after.502, badge is determined the distance 503 of badge (the therefore personnel that carry this badge) from the emission website based on the difference between the time of reception of ultrasonic and EM signal then.If this distance is greater than predeterminable range, for example two feet, then subroutine 504 initialization with the indication badge not in scope and processor enter sleep pattern.On the other hand, if distance is less than for example two feet predeterminable range, then subroutine 505 starts, confirm that at first battery status is enough (as mentioned above, if low battery indicator is not lighted), 506, badge emission badge identifying information, state and CRC (cyclic redundancy check (CRC) is to confirm data and communication integrity) and the state of badge indicator are green or non-green then.In response, when the program of washing one's hands obtains confirming, receive order 507 to open green LED from the base station, subsequently, 508, or start the time period that timer alarm clock one is set, for example 90 seconds, keep light yellow to be used for green LED.Then, 509, badge remains on the inquiry state, EM (such as IR or RF) communication 511 up to starting from bed website (bed monitor) in this situation, starts badge-bed website communication process flow process of describing below with reference to Figure 14, if and be not activated, then the green LED time finishes 510, washes one's hands with indication and observes in order to illuminate green LED once more, and this will require the healthcare worker to start the program of washing one's hands once more.
With reference now to Figure 14,, it supposes that in advance badge receives IR or other EM communication from patient's bed website or other patient's private communication devices, and Figure 14 provides the process flow diagram that the communication between badge and the patient location communicator is shown.Therefore, 601, badge provides energy for TOF ultrasonic pulse detecting device, and waits for ultrasonic pulse, according to ultrasonic pulse, by difference 602, calculates the distance of patient's website.Wait in line badge by the detected EM pulse of badge and receive ultrasonic pulse, when receiving ultrasonic pulse, start stop signal, with allow above-mentioned synchronously.Rule of thumb for the acoustic transmission time, is propagated 1 foot for every millisecond.Therefore, for example, if from time of receiving the EM pulse to the time that receives acoustic pulses, have 6 milliseconds or less time to postpone, specific badge then in question be near 6 feet of this specific example setting.Certainly, as required, can revise discernment for the given website of native system or given application.If calculated distance is greater than for example 6 feet predeterminable range, then the green LED on the badge expires 604.Yet, if this distance, is verified battery status 605 less than for example 6 feet predeterminable range once more guaranteeing the proper handling of badge, and the state of inquiry LED.If LED does not light, and green is shown washes one's hands in accordance with state, 607, then start to intersect and verify, if make the bed website in Preset Time for this worker has write down the green LED method, then badge LED flicker green twice to confirm to have verified in fact the washing one's hands of worker in accordance with state.Yet, observe state if a bed website also writes down green LED, 611, the alternately prompting of Vibration on Start-up or equivalence with the caution worker they with they detected will be approaching patient carry out any near or any contact before need to wash one's hands.Can use the alarm signal of any number, comprise, for example, vision, sound or vibration signal are washed one's hands with the prompting worker.Preferably, use vibration signal because its for non-bothering property and provide discontinuous information to the worker.In a preferred implementation, show the vibration prompt circulation in the drawings, 611, wherein send first short single vibration, then, after of short duration delay, for example two seconds, send two vibrations, after another postpones,, send 3 vibrations then if do not detect hand wash events.In this, if do not write down hand wash events, can start voice signal and/or the non-event report of observing can be washed one's hands in accordance with system's (being called HyMarks software), then badge enters sleep pattern 614.If, on the other hand, 606, the green LED light yellow, in case set up and the contacting of bed website, badge LED turns off 609.After the time of predetermined amount, for example 6 seconds, if badge still in the scope of bed website, then badge LED temporarily glimmers.This process continues up to detecting new wash one's hands website or patient location.Alternatively, 608, if the bed monitor records green LED, which kind of mode no matter then, flow process be from 608 and 609 to 610, and badge has been finished and the shaking hands of bed monitor, emission comprises that badge number and green LED wash one's hands in accordance with EM (for example, IR or the RF) signal of state.612, badge for example five seconds, enters exomonental sleep pattern 613 in per 1 second then with one default period of pulse inhibit.This allows the following situation of control: for example, crisis takes place in the particular patient position, and a large amount of HCW rushes over and looks after this patient.The follow-up noise of EM pulse can then take place.Therefore, according to this one side of this embodiment of the present invention, the HCW badge identity information of collect, record is specific, the state of washing one's hands of verifying them, and order is discerned next badge identifying information then.One preferred embodiment in, badge powers up with power down sequence and may further comprise the steps and key element:
Badge powers up: if badge outage and power switch are pressed several seconds, then badge will vibrate three times and green LED and yellow led will glimmer simultaneously.When vibration series beginning and badge power up, discharge power knob.
Badge outage: if badge powers up and power switch is pressed several seconds, badge will vibrate once and not have LED to glimmer.When vibration takes place and badge when being de-energized, discharge power knob.When in power-down mode, badge will not respond the bed or the website of washing one's hands.
With reference now to Figure 15,, it provides process flow diagram 700, wherein describes bed a website logic and a wake up procedure in detail.Therefore, when powering on, bed monitor or other surveillance equipments relevant with patient start initialize routine 701, from sleep pattern, when the wake-up signal that receives from badge, send EN (for example, infrared or radio frequency or other EM that is fit to) pulse, described pulse receives 702 by bed EM (infrared, RF or other are fit to) receiver.The bed website is launched its recognition data 703 via EM (for example, infrared) transceiver then.The bed website also sends infrared (acoustics starting impulse) and acoustic pulses 704 after some delay.If badge is determined it in the scope of bed website from acoustics TOF, then its send its recognition data to the bed monitor to be used for record and report subsequently.
In case the bed site record from EM (for example, the infrared) received signal 705 of badge, this flow process proceeds to 706.Yet if do not write down this affirmation, the bed website is reset to sleep pattern 702, to wait for the wake-up signal of suitable badge emission.
In case a bed website is suitably waken up 705, the identifying information 706 of the badge of any and all responses of bed site record then.One section default time quantum of all these badges in the bed site record scope for example one minute 707, and when any new badge enters or leaves daily record, makes up and via Zigbee or similar network mission report.In a preferred implementation,, can programme before sending this report, to require two duplicate entries accurately to the bed website via network for fear of mistake.
In order to confirm suitable operation, the bed website is carried out battery levels and is verified, and if detect any low battery condition, then monitor is provided with the yellow led signal and lights 708.If all these steps are finished, assembling Zigbee report 709, and such as UART bus known in the art report is transmitted into central report database 710 via suitable communication line and agreement.In case finish, the bed monitor makes processor enter sleep pattern 711 all effective circuits its original state of resetting back, thereby makes a new wake-up signal of processor preparation, as 702.
Foregoing description of the present invention is intended to exemplary, rather than restriction.For a person skilled in the art, can carry out various changes or modification to described embodiment.Can carry out these changes or modification and not deviate from the spirit or scope of the present invention.
Claims (36)
1. one kind is used to locate the system that seals the personnel in the place, and described sealing place has a plurality of isolated websites, and described system comprises:
(a) be used for each described personnel's independently indication badge;
(b) at least one detecting device, it is used for detecting when when described badge one is arranged in from described website one in predetermined distance and being used for reading information from the badge that is detected at described website;
(c) each described detecting device comprises first and second wireless launchers, is used to launch first and second wireless signals, and described signal has the transmission speed that differs from one another; And
(d) equipment that is used to detect the transmission time difference between described first and second signals and when predetermined value is following, indicates in described difference.
2. system according to claim 1, wherein said information comprises the identity of described badge, described system comprises that also the identity that is used to transmit and store described badge, described information are from the identity of its described website that is transmitted, and the equipment of time of this transmission.
3. system according to claim 1, wherein said sealing place has wall, and at least some described websites are separated each other by one or more described walls, described website is disposed in the wireless network with transceiver, and described transceiver is used for transmitting and receiving signal each other and sending signal to memory device.
4. system according to claim 1, this system each place in a plurality of described websites comprises hand cleanliness detecting device, be used for when described badge is detected, detect and generate indication and wear the people's of described badge the signal of hand cleanliness, wherein each described badge has and is used to indicate the indicating equipment of described hand cleanliness and is used for receiving described signal and enabling the wireless signal receiver of described indicating equipment from described hand cleanliness detecting device.
5. system according to claim 4, wherein said indicating equipment is from by visual detector; Vib.; And choose in the group that constitutes of Vib. and visual detector; And wherein each described badge has the timing device that is used for described indicating equipment is remained on selected one section preset time length of situation.
6. system according to claim 4, wherein each described hand cleanliness detecting device comprises the equipment of at least one the material of washing one's hands on hand that is used to detect the people who wears described badge, and wherein said material contains tracer agent, and each described cleanliness detecting device is suitable for detecting the air sample of described tracer agent.
7. system according to claim 6, wherein said material is from by alcohol type hand cleaner; Antimicrobial soap; The sterilization hand lotion; The hand agent is wiped in sterilization; Washing agent; Soap; No water germicide; And choose in the group of operation wiping hand agent formation.
8. system according to claim 1, wherein said sealing place from handle the place by patient care place, medical laboratory, dustless factory, food and the group that constitutes with the place that stops pathogen to be scattered that otherwise requires to wash one's hands continually choose.
9. system according to claim 1, wherein said place is to have a plurality of patient cares position and the patient care place of the position of washing one's hands, described website is positioned at least some described position and at least some described patient care positions of washing one's hands.
10. the system of the hand cleanliness in the patient care place that is used to monitor sealing, described place has a plurality of isolated websites, and described system comprises:
(a) indicating label of wearing by each described personnel;
(b) at the detecting device of each described website, this detecting device is used for detecting each described label when each described label is positioned at from described detecting device during in predetermined distance, and is used for from described tag read information;
(c) each described detecting device comprises first and second wireless launchers that are used to launch first and second wireless signals with different transmission speeds;
(d) equipment that is used to detect the transmission time difference between described first and second signals and when described difference is in predetermined scope, indicates;
(e) at the hand cleanliness detecting device of each described website, this hand cleanliness detecting device is used for detecting the air tracer material at the material of washing one's hands at described website place, and sends wireless signal in response to described tracer agent detects; And
(f) each described label has the indicating device of the wearer's who is used to indicate described label hand cleanliness, and comprises and be used for receiving described wireless signal to enable the wireless receiver of described indicating device from described hand cleanliness detecting device.
11. system according to claim 10, an emission acoustic signal in the wherein said transmitter, and another described transmitter emission electromagnetic signal.
12. a method of locating the personnel in the sealing place, a plurality of websites that described containing field has therein, this method has following steps:
(a) at each described website place detecting device is set, be used for when the people when described detecting device is in predetermined distance, guide this people into and measure the time difference that described signal received by described people and described difference and predetermined value are compared by two signals that will have friction speed, detect this people's appearance; And
(b) information and this information of discerning described people of transmission that generates the described people of identification arrives described detecting device.
13. method according to claim 12, be included as detected everyone store the information that received and the described information time when being received.
14. method according to claim 12 is included in the detecting device of washing one's hands is set at least some described websites, described sealing place is that the requirement personnel wash one's hands continually with the place that prevents that pathogen from scattering.
15. an identity that is shown on the health worker and the state badge of washing one's hands, described badge comprises:
(a) display module;
(b) the visual positioning indicator of washing one's hands on described display module, remotely activatable;
(c) timing device, it is used for keeping after described indicator is " unpacked " described indicator " to open " first predetermined amount of time, when the described time period expires described indicator " cuts out " then; And
(d) described timing device remotely activatable is so that this timing device can selectively keep described indicator " to open " than the short time span of described very first time section.
16. badge according to claim 15, comprise the flight time detecting device, this flight time detecting device be used to detect from two signals measuring the friction speed that website sends time of arrival difference and when described difference is lower than predetermined level the transmission identification signal.
17. badge according to claim 15 comprises being used for the Vib. that optionally vibrates when described indicator " cuts out ".
18. identity badge according to claim 15 comprises the wireless transceiver that is used for launching in response to received signal badge identification and status indication information, can determine the position of the described badge in the distance that surveillance site is being scheduled to from described information.
19. identity badge according to claim 18, wherein said transceiver are suitable in response to receiving different wireless signals and launching described information from the different preset distance of described surveillance site from described surveillance site.
20. keep healthy place personnel positioning and surveillance comprise:
(a) a plurality of monitor units, each monitor unit be installed in that in a plurality of patient support structure in the described place one goes up or near;
(b) a plurality of labels that carry by the personnel that appear in the described place, identification is relevant with described label in response to launching from one wireless signal in the described monitor unit for each described label, one identification signal among the described personnel;
(c) each described monitor unit has and is used to send the equipment of distance measuring signal to described label;
(d) in response to another equipment of described distance measuring signal, be used for determining each label apart from the distance of described monitor unit whether in predetermined distance; And
(e) described monitor equipment be suitable for from be confirmed as from described monitor unit in described predetermined distance, the described label one receives described identification signal, and be used to launch corresponding identification signal together with detection time to another equipment that is used to store.
21. system according to claim 20, wherein said label comprises the indicator of the carrier's who is used to indicate described label the state of washing one's hands, and described label comprises the signal that is used to launch the described state of washing one's hands of the indication transmitter to described monitor, and the described equipment in the wherein said monitor is suitable for launching signal corresponding to the described state of washing one's hands to described another equipment that is used to store.
22. system according to claim 21, has " opening " situation with indication " wash and receive and distribute " state comprising the described indicator in described label, described indicator comprises maintenance equipment, be used for carrier at described label wash receive and distribute after, described indicator is remained on one section preset time of " opening " situation, and also comprise in response to the second maintenance equipment, be used for as long as described label remains on from described monitor and just described indicator is remained on " opening " situation in described predetermined distance from the signal of described monitor.
23. system according to claim 21, comprise be used for when described indicator is in the situation that indication " washes and receive and distribute " state and described label shifted out from described monitor described predetermined apart from the time with the equipment of described indicator OFF.
24. system according to claim 20, wherein said distance measuring signal comprises first and second wireless signals with different transmission speeds, and described system comprises and is used to measure the flight time difference of described wireless signal and determines when that described difference is lower than the equipment of predetermined minimum value.
25. system according to claim 22, wherein said monitor is set to repeat to send pulse signal with the time interval of rule, and the described second maintenance equipment is suitable for when receiving each described pulse signal starting timing function, and when described pulse signal stops to be received one section preset time length with described indicator OFF.
26. system according to claim 20, the described equipment in the wherein said monitor is suitable for launching the described indicator of indication and has cut out and cut out the information of time of origin to described another equipment that is used to store.
Pulse signal reaches described preset time length and described tag motion is closed described indicator to the distance from described monitor greater than described predetermined distance 27. system according to claim 23, the wherein said second maintenance device responds stop to receive in simultaneously.
28. system according to claim 27, wherein said monitor unit comprises the transfer equipment that is used for optionally transmitting about the information of described supporting construction, information waits to be sent to different described supporting constructions from the monitor unit of described supporting construction, when transferring to another, of described supporting construction keeps supervision with convenient as patient, or wherein said supervision undertaken by the monitor related with described patient's health, make described monitor when described patient moves along with described patient moves.
29. system according to claim 21, be included in the one or more described monitor unit of the website of washing one's hands and be used to detect described label the carrier the program of washing one's hands and be used to encourage the detecting device of washing one's hands of the described indicator on the described label, described monitor unit is associated with each other in wireless network, information by described wireless network transmissions to the described equipment that is used to store.
30. system according to claim 20, wherein each described monitor is broadcasted its unique identification signal, and each this signal of described tag storage, this signal and the signal before that receives from another monitor are compared, if and the signal that is compared do not match, then be closed in the described indicator on the described label.
31. system according to claim 20, the motion detector that comprises contiguous each described patient support structure location, when only being used for the motion of the people in described motion detector detects zone in contiguous described patient support structure, make described equipment can send described distance measuring signal.
32. method that is used to control the indicator on the label of wearing by the healthcare worker in the health care place, after the wearer who is included in described label finishes the program of washing one's hands, activate one given period of described indicator, and when the described wearer of described label leaves the near zone of the patient in the described place the described indicator of deactivation.
33. method according to claim 31 comprises the step that described indicator is remained on the activation situation when the described near zone of described wearer described patient.
34. keep healthy place personnel positioning and surveillance comprise:
(a) a plurality of monitor units, each monitor unit be installed in all that in a plurality of websites in the described place one goes up or near;
(b) a plurality of labels, each label carries by one among the personnel that appear in the described place, and identification is relevant with described label in response to launching from one wireless signal in the described monitor unit for each described label, one identification signal among the described personnel;
(c) each described monitor unit has and is used to send the equipment of interrogating signal to described label;
(d) motion detector, it is in response to the motion that detects the people who is close to described website; And
(e) of being suitable for the label in the scope that is defined in described motion detector, described of described monitor equipment receives described identification signal, and be used to launch corresponding identification signal together with detection time to another equipment that is used to store.
35. system according to claim 34, wherein said label comprises the indicator of the carrier's who is used to indicate described label the state of washing one's hands, and described label comprises the signal that is used to launch the described state of washing one's hands of the indication transmitter to described monitor, and the described equipment in the wherein said monitor is suitable for launching signal corresponding to the described status signal of washing one's hands to described another equipment that is used to store.
36. system according to claim 34, wherein said be equipped in start by described motion detector after, with the described interrogating signal that repeats intervally to send regularly, till not detecting motion and reaching one section preset time length.
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| PCT/US2009/062493 WO2010056534A2 (en) | 2008-11-12 | 2009-10-29 | Personnel location and monitoring system and method for enclosed facilities |
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| CN104919465A (en) * | 2013-01-31 | 2015-09-16 | 金伯利-克拉克环球有限公司 | Method for reducing illness in care facilities |
| CN106911382A (en) * | 2015-12-23 | 2017-06-30 | 意法半导体(R&D)有限公司 | Device |
| CN106911382B (en) * | 2015-12-23 | 2021-11-16 | 意法半导体(R&D)有限公司 | Apparatus and method for communication |
| CN115413951A (en) * | 2022-08-31 | 2022-12-02 | 中国人民解放军陆军军医大学第一附属医院 | Liquid soap induction liquid discharging device |
| CN115413951B (en) * | 2022-08-31 | 2024-01-16 | 中国人民解放军陆军军医大学第一附属医院 | Liquid soap induction liquid outlet device |
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| CA2743439C (en) | 2016-01-26 |
| US20110227740A1 (en) | 2011-09-22 |
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| US8279063B2 (en) | 2012-10-02 |
| AU2009314386B2 (en) | 2013-10-31 |
| WO2010056534A3 (en) | 2010-07-29 |
| EP2356605A2 (en) | 2011-08-17 |
| AU2009314386A1 (en) | 2010-05-20 |
| US20100117823A1 (en) | 2010-05-13 |
| CN102209966B (en) | 2015-02-18 |
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